Home / 147,985.48-222,014.67-42,815.08

Finding the Fourth Proportional to 147,985.48, 222,014.67 and 42,815.08

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Solution

The fourth proportional to 147,985.48, 222,014.67 and 42,815.08 is: 64,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,985.48 : 222,014.67 = 42,815.08 : x
  2. Step 2: Convert to fraction form
    147,985.48/222,014.67 = 42,815.08/x
  3. Step 3: Cross multiply
    147,985.48x = 222,014.67 × 42,815.08
  4. Step 4: Simplify right side
    147,985.48x = 9,505,576,215.02
  5. Step 5: Solve for x
    x = 9,505,576,215.02/147,985.48
  6. Step 6: Final answer
    x = 64,233.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.